Kenmore 795.78733.806 Service Manual page 47

MAIN PWB
Is the connection loose?
No
Main PWB
Is the voltage between pin 2
and pin 3 of CON5 0V or 5V?
Pin2 BO
Pin3 BN
Receiver Voltages
Test Point Result
Pin2 To Pin3 0 V or 5 V
No
Reconnect
Yes
Replace
Yes
MAIN PWB
(Position
No: 500A)
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Main PWB
Is the voltage between pin2
and pin4 of CON5 0V or 5V?
Pin2 BO
Pin4 RD
Transmitter Voltages
Test Point Result
Pin2 To Pin4 0 V or 5 V
No
After plug in,
If Er-CO is disappeared,
Explain to the customer!
Replace
Yes
MAIN PWB
(Position No
: 500A)